1 Device Tree Clock bindings for arch-sunxi
3 This binding uses the common clock binding[1].
5 [1] Documentation/devicetree/bindings/clock/clock-bindings.txt
8 - compatible : shall be one of the following:
9 "allwinner,sun4i-a10-osc-clk" - for a gatable oscillator
10 "allwinner,sun4i-a10-pll1-clk" - for the main PLL clock and PLL4
11 "allwinner,sun6i-a31-pll1-clk" - for the main PLL clock on A31
12 "allwinner,sun8i-a23-pll1-clk" - for the main PLL clock on A23
13 "allwinner,sun9i-a80-pll4-clk" - for the peripheral PLLs on A80
14 "allwinner,sun4i-a10-pll5-clk" - for the PLL5 clock
15 "allwinner,sun4i-a10-pll6-clk" - for the PLL6 clock
16 "allwinner,sun6i-a31-pll6-clk" - for the PLL6 clock on A31
17 "allwinner,sun9i-a80-gt-clk" - for the GT bus clock on A80
18 "allwinner,sun4i-a10-cpu-clk" - for the CPU multiplexer clock
19 "allwinner,sun4i-a10-axi-clk" - for the AXI clock
20 "allwinner,sun8i-a23-axi-clk" - for the AXI clock on A23
21 "allwinner,sun4i-a10-gates-clk" - for generic gates on all compatible SoCs
22 "allwinner,sun4i-a10-axi-gates-clk" - for the AXI gates
23 "allwinner,sun4i-a10-ahb-clk" - for the AHB clock
24 "allwinner,sun5i-a13-ahb-clk" - for the AHB clock on A13
25 "allwinner,sun9i-a80-ahb-clk" - for the AHB bus clocks on A80
26 "allwinner,sun4i-a10-ahb-gates-clk" - for the AHB gates on A10
27 "allwinner,sun5i-a13-ahb-gates-clk" - for the AHB gates on A13
28 "allwinner,sun5i-a10s-ahb-gates-clk" - for the AHB gates on A10s
29 "allwinner,sun7i-a20-ahb-gates-clk" - for the AHB gates on A20
30 "allwinner,sun6i-a31-ar100-clk" - for the AR100 on A31
31 "allwinner,sun9i-a80-cpus-clk" - for the CPUS on A80
32 "allwinner,sun6i-a31-ahb1-clk" - for the AHB1 clock on A31
33 "allwinner,sun8i-h3-ahb2-clk" - for the AHB2 clock on H3
34 "allwinner,sun6i-a31-ahb1-gates-clk" - for the AHB1 gates on A31
35 "allwinner,sun8i-a23-ahb1-gates-clk" - for the AHB1 gates on A23
36 "allwinner,sun9i-a80-ahb0-gates-clk" - for the AHB0 gates on A80
37 "allwinner,sun9i-a80-ahb1-gates-clk" - for the AHB1 gates on A80
38 "allwinner,sun9i-a80-ahb2-gates-clk" - for the AHB2 gates on A80
39 "allwinner,sun4i-a10-apb0-clk" - for the APB0 clock
40 "allwinner,sun6i-a31-apb0-clk" - for the APB0 clock on A31
41 "allwinner,sun8i-a23-apb0-clk" - for the APB0 clock on A23
42 "allwinner,sun9i-a80-apb0-clk" - for the APB0 bus clock on A80
43 "allwinner,sun8i-a83t-apb0-gates-clk" - for the APB0 gates on A83T
44 "allwinner,sun4i-a10-apb0-gates-clk" - for the APB0 gates on A10
45 "allwinner,sun5i-a13-apb0-gates-clk" - for the APB0 gates on A13
46 "allwinner,sun5i-a10s-apb0-gates-clk" - for the APB0 gates on A10s
47 "allwinner,sun6i-a31-apb0-gates-clk" - for the APB0 gates on A31
48 "allwinner,sun7i-a20-apb0-gates-clk" - for the APB0 gates on A20
49 "allwinner,sun8i-a23-apb0-gates-clk" - for the APB0 gates on A23
50 "allwinner,sun8i-h3-apb0-gates-clk" - for the APB0 gates on H3
51 "allwinner,sun9i-a80-apb0-gates-clk" - for the APB0 gates on A80
52 "allwinner,sun4i-a10-apb1-clk" - for the APB1 clock
53 "allwinner,sun9i-a80-apb1-clk" - for the APB1 bus clock on A80
54 "allwinner,sun4i-a10-apb1-gates-clk" - for the APB1 gates on A10
55 "allwinner,sun5i-a13-apb1-gates-clk" - for the APB1 gates on A13
56 "allwinner,sun5i-a10s-apb1-gates-clk" - for the APB1 gates on A10s
57 "allwinner,sun6i-a31-apb1-gates-clk" - for the APB1 gates on A31
58 "allwinner,sun7i-a20-apb1-gates-clk" - for the APB1 gates on A20
59 "allwinner,sun8i-a23-apb1-gates-clk" - for the APB1 gates on A23
60 "allwinner,sun9i-a80-apb1-gates-clk" - for the APB1 gates on A80
61 "allwinner,sun6i-a31-apb2-gates-clk" - for the APB2 gates on A31
62 "allwinner,sun8i-a23-apb2-gates-clk" - for the APB2 gates on A23
63 "allwinner,sun8i-a83t-bus-gates-clk" - for the bus gates on A83T
64 "allwinner,sun8i-h3-bus-gates-clk" - for the bus gates on H3
65 "allwinner,sun9i-a80-apbs-gates-clk" - for the APBS gates on A80
66 "allwinner,sun4i-a10-dram-gates-clk" - for the DRAM gates on A10
67 "allwinner,sun5i-a13-mbus-clk" - for the MBUS clock on A13
68 "allwinner,sun4i-a10-mmc-clk" - for the MMC clock
69 "allwinner,sun9i-a80-mmc-clk" - for mmc module clocks on A80
70 "allwinner,sun9i-a80-mmc-config-clk" - for mmc gates + resets on A80
71 "allwinner,sun4i-a10-mod0-clk" - for the module 0 family of clocks
72 "allwinner,sun9i-a80-mod0-clk" - for module 0 (storage) clocks on A80
73 "allwinner,sun8i-a23-mbus-clk" - for the MBUS clock on A23
74 "allwinner,sun7i-a20-out-clk" - for the external output clocks
75 "allwinner,sun7i-a20-gmac-clk" - for the GMAC clock module on A20/A31
76 "allwinner,sun4i-a10-usb-clk" - for usb gates + resets on A10 / A20
77 "allwinner,sun5i-a13-usb-clk" - for usb gates + resets on A13
78 "allwinner,sun6i-a31-usb-clk" - for usb gates + resets on A31
79 "allwinner,sun8i-a23-usb-clk" - for usb gates + resets on A23
80 "allwinner,sun8i-h3-usb-clk" - for usb gates + resets on H3
81 "allwinner,sun9i-a80-usb-mod-clk" - for usb gates + resets on A80
82 "allwinner,sun9i-a80-usb-phy-clk" - for usb phy gates + resets on A80
83 "allwinner,sun4i-a10-ve-clk" - for the Video Engine clock
85 Required properties for all clocks:
86 - reg : shall be the control register address for the clock.
87 - clocks : shall be the input parent clock(s) phandle for the clock. For
88 multiplexed clocks, the list order must match the hardware
90 - #clock-cells : from common clock binding; shall be set to 0 except for
91 the following compatibles where it shall be set to 1:
92 "allwinner,*-gates-clk", "allwinner,sun4i-pll5-clk",
93 "allwinner,sun4i-pll6-clk", "allwinner,sun6i-a31-pll6-clk",
94 "allwinner,*-usb-clk", "allwinner,*-mmc-clk",
95 "allwinner,*-mmc-config-clk"
96 - clock-output-names : shall be the corresponding names of the outputs.
97 If the clock module only has one output, the name shall be the
100 And "allwinner,*-usb-clk" clocks also require:
101 - reset-cells : shall be set to 1
103 The "allwinner,sun4i-a10-ve-clk" clock also requires:
104 - reset-cells : shall be set to 0
106 The "allwinner,sun9i-a80-mmc-config-clk" clock also requires:
107 - #reset-cells : shall be set to 1
108 - resets : shall be the reset control phandle for the mmc block.
110 For "allwinner,sun7i-a20-gmac-clk", the parent clocks shall be fixed rate
111 dummy clocks at 25 MHz and 125 MHz, respectively. See example.
113 Clock consumers should specify the desired clocks they use with a
114 "clocks" phandle cell. Consumers that are using a gated clock should
115 provide an additional ID in their clock property. This ID is the
116 offset of the bit controlling this particular gate in the register.
117 For the other clocks with "#clock-cells" = 1, the additional ID shall
118 refer to the index of the output.
120 For "allwinner,sun6i-a31-pll6-clk", there are 2 outputs. The first output
121 is the normal PLL6 output, or "pll6". The second output is rate doubled
124 The "allwinner,*-mmc-clk" clocks have three different outputs: the
125 main clock, with the ID 0, and the output and sample clocks, with the
126 IDs 1 and 2, respectively.
128 The "allwinner,sun9i-a80-mmc-config-clk" clock has one clock/reset output
129 per mmc controller. The number of outputs is determined by the size of
130 the address block, which is related to the overall mmc block.
134 osc24M: clk@01c20050 {
136 compatible = "allwinner,sun4i-a10-osc-clk";
137 reg = <0x01c20050 0x4>;
138 clocks = <&osc24M_fixed>;
139 clock-output-names = "osc24M";
144 compatible = "allwinner,sun4i-a10-pll1-clk";
145 reg = <0x01c20000 0x4>;
147 clock-output-names = "pll1";
152 compatible = "allwinner,sun4i-pll5-clk";
153 reg = <0x01c20020 0x4>;
155 clock-output-names = "pll5_ddr", "pll5_other";
160 compatible = "allwinner,sun6i-a31-pll6-clk";
161 reg = <0x01c20028 0x4>;
163 clock-output-names = "pll6", "pll6x2";
168 compatible = "allwinner,sun4i-a10-cpu-clk";
169 reg = <0x01c20054 0x4>;
170 clocks = <&osc32k>, <&osc24M>, <&pll1>;
171 clock-output-names = "cpu";
174 mmc0_clk: clk@01c20088 {
176 compatible = "allwinner,sun4i-a10-mmc-clk";
177 reg = <0x01c20088 0x4>;
178 clocks = <&osc24M>, <&pll6 1>, <&pll5 1>;
179 clock-output-names = "mmc0", "mmc0_output", "mmc0_sample";
182 mii_phy_tx_clk: clk@2 {
184 compatible = "fixed-clock";
185 clock-frequency = <25000000>;
186 clock-output-names = "mii_phy_tx";
189 gmac_int_tx_clk: clk@3 {
191 compatible = "fixed-clock";
192 clock-frequency = <125000000>;
193 clock-output-names = "gmac_int_tx";
196 gmac_clk: clk@01c20164 {
198 compatible = "allwinner,sun7i-a20-gmac-clk";
199 reg = <0x01c20164 0x4>;
201 * The first clock must be fixed at 25MHz;
202 * the second clock must be fixed at 125MHz
204 clocks = <&mii_phy_tx_clk>, <&gmac_int_tx_clk>;
205 clock-output-names = "gmac";
208 mmc_config_clk: clk@01c13000 {
209 compatible = "allwinner,sun9i-a80-mmc-config-clk";
210 reg = <0x01c13000 0x10>;
211 clocks = <&ahb0_gates 8>;
213 resets = <&ahb0_resets 8>;
217 clock-output-names = "mmc0_config", "mmc1_config",
218 "mmc2_config", "mmc3_config";